40 Exchanges. 



London. — Quarterly Journal of the Geological Society of London. 

 Journal of the Royal \[icroscopical Society. 

 Transactions of the Zoological Society of London, 

 Memoirs of the Astronomical Society. 

 Guide Books, British Museum (Natural History). 

 The Patent Office Library. 

 Madison. — Bulletin and Maps of the Geological aud Natural 



History Survey of Wisconsin. 

 Madras. — Bulletin of the Madras Government Museum. 

 Manchester. — journal of the Manchester Geographical Society. 

 Melbourne. — Proceedings of the Royal Society of Victoria. 

 Mexico.— Boletin Mensual del Observatoria Meteorologico 

 Magnetico Central de Mexico, also Anuaria. 

 ,, Boletin de Instituto Geologico de Mexico. 

 Milwaukee. — Bulletin of the Wisconsin Natural History Society. 

 Minneapolis. — Bulletin of the Minnesota Academy of Natural 



Sciences. 

 Missoula. — Bulletin of the University of Montana. 

 Montevideo. — Anales del Museo Nacional de Montevideo. 

 Montreal. — Reports and Maps, Geological and Natural History 



Survey of Canada. 

 Moscow^. — Bulletin of the L-nperial Society of Naturalists of 



Moscow. 

 New Haven, Conn. — Yale University Library, 

 New York. — Bulletin of the American Geographical Society. 

 „ Annals of the New York Academy of Sciences. 



,, Columbia University Library. 



New Orleans. — Louisiana State Museum. 



,, Natural H^istory Survey. 



Norman.— The University of Oklahoma. 



Nottingham. — Annual Report and Transactions of the Notting- 

 ham Naturalists' Society. 

 Orono. — The University of Maine. 



OsNARRUCK.— Silbzehnter Jahresbericht des Naturwissenschaft 

 lichen Vereines zu Osnabruck. 



